These blueberry pop tarts are the kind of recipe I come back to when I want something nostalgic, fast, and reliably good. They’re built from a few pantry-friendly ingredients and a boxed pie crust, but the result tastes like a tiny, joyful pastry you’d order at a café. No complicated dough, no timing tantrums. Just straightforward steps and a good payoff.
I test recipes with a realistic kitchen in mind — kids coming in, coffee brewing, five minutes of focused work. This one fits into that rhythm. You can make a batch before work or for a weekend treat, and the flavors stay true: sweet blueberry filling, flaky crust, and a shiny vanilla-blueberry icing. The technique is forgiving, and I include exact tips below to avoid the common pitfalls.
Below you’ll find a clear shopping list, the ingredient breakdown with practical notes, the step-by-step directions (unchanged in order and amounts), and troubleshooting tips I use in my own kitchen. Read through once, then bake. You’ll be surprised how quickly these become a staple.
Shopping List
Keep this list handy for one batch of Blueberry Pop Tarts. Most items are kitchen staples; pick up the pie crusts and preserves if you don’t have them on hand.
- Refrigerated pie crusts (1 package)
- Blueberry preserves
- Cornstarch
- Large egg
- Powdered sugar
- Milk
- Pure vanilla extract
- Parchment paper (optional, for baking sheet)
Ingredients
- 2 9-inch refrigerated pie crusts (425 grams / 1 package) — shortcut for flaky pastry; roll gently if seams appear.
- ½ cup blueberry preserves (170 grams) — the star of the filling; choose a thick preserve for less spillover.
- 2 teaspoons cornstarch (6 grams) — thickens preserves so the filling doesn’t run out during baking.
- 1 large egg (50 grams) — beaten for egg wash to get that golden, glossy finish.
- ½ cup powdered sugar (57 grams) — base for the icing; sift if lumpy.
- ¼ cup blueberry preserves (85 grams) — blended into the icing for extra blueberry flavor and color.
- 1 tablespoon milk (14 grams) — thins the icing to a spreadable consistency.
- ½ teaspoon pure vanilla extract (2 grams) — adds depth and rounds the sweetness.
Blueberry Pop Tarts: Step-by-Step Guide
- Preheat the oven to 375°F. Line a baking sheet with parchment paper and set aside.
- On a lightly floured countertop, unroll one refrigerated pie crust. Gently roll it slightly to even the thickness. Trim off the rounded edges to form one large rectangle. Cut that rectangle into 6 equal smaller rectangles. Repeat with the second pie crust so you have 12 rectangles total.
- In a small bowl, stir together ½ cup (170 g) blueberry preserves and 2 teaspoons (6 g) cornstarch until smooth.
- Whisk the 1 large egg in a small bowl until blended.
- Working with six rectangles at a time, place a bottom rectangle on your work surface. Spoon an equal amount of the blueberry-cornstarch mixture into the center of the rectangle (leave a border around the edges to avoid overflow). Brush the egg wash around the border of the bottom rectangle, then place a second rectangle on top.
- Press the edges together to seal, then crimp the sealed edges with the tines of a fork. Trim any excess dough for clean edges. Transfer the assembled pop tart to the prepared baking sheet. Repeat steps 5–6 with the remaining rectangles and filling.
- Brush the tops of all assembled pop tarts with more of the whisked egg. Use a toothpick or fork to gently prick one or two small vent holes in the top of each pastry to prevent blowouts.
- Bake on the middle rack for 10–12 minutes, or until the tops are light golden. Remove from the oven and let the pop tarts cool on the baking sheet until they are cool to the touch.
- While the pop tarts bake and cool, make the icing: in a small bowl, stir together ½ cup (57 g) powdered sugar, ¼ cup (85 g) blueberry preserves, 1 tablespoon (14 g) milk, and ½ teaspoon (2 g) pure vanilla extract until smooth.
- Drizzle or spread the icing over the cooled pop tarts. Let the icing set for about 10 minutes before serving.
Why You’ll Keep Making It
These pop tarts hit several practical notes: they’re fast to assemble, use a minimal ingredient list, and require no pastry-making skill. Kids love them, but adults do too—especially with a strong cup of coffee. The preserves give a concentrated fruit flavor that beats artificial fillings from a box.
They’re also low-commitment. If you make a batch and need a snack throughout the week, they keep well and reheat quickly. The technique — sealing, crimping, docking, and varnishing with egg — produces reliable results every time.
Ingredient Flex Options
If blueberry isn’t your jam (pun intended), swap the preserves for any thick fruit jam: raspberry, strawberry, apricot. Keep the cornstarch ratio the same to prevent runny filling. Want a less-sweet option? Use a low-sugar preserve and reduce the powdered sugar in the icing slightly.
For a dairy-free icing, replace the milk with a neutral plant milk. If you prefer a vanilla-forward glaze, add a touch more vanilla extract but do so sparingly — it’s potent.
Hardware & Gadgets
- Rolling pin — to even out the pie crusts.
- Baking sheet and parchment paper — for easy release and cleanup.
- Small bowls — one for the filling mix, one for the egg wash, one for the icing.
- Fork — for crimping the edges cleanly.
- Toothpick or fork tines — to make vent holes so the pastry doesn’t puff and burst.
- Spoon or small offset spatula — to spread or drizzle the icing neatly.
Slip-Ups to Skip
Don’t overfill. The most common mistake is too much filling, which will leak during baking. Leave a clear border around the edges when you spoon in the jam.
Don’t skip the cornstarch. It’s a small addition but critical to thicken the preserves so the filling sets rather than oozes.
Avoid sealing with a dry edge. Brush egg wash on the border so the top and bottom stick together; otherwise they’ll come apart while baking.
Better Choices & Swaps
Choose thicker or chunk-less preserves when possible. A very runny jam will need more cornstarch than the recipe calls for, which can change texture. If you’re using a thin jam, drain it slightly or simmer briefly to reduce and thicken before adding cornstarch.
If you need gluten-free, use a store-bought GF pie crust. Baking time may be similar, but watch the edges; some GF crusts brown faster and can burn at the same temperature.
Recipe Notes & Chef’s Commentary
Assembly rhythm
Work in small batches of six rectangles to keep the dough chilled and manageable. If the dough warms too much, pop the tray into the fridge for 5–10 minutes between batches. Chilled dough seals better and prevents the filling from soaking into the crust.
Sealing and crimping
When you press the edges together, press firmly but gently. Use the fork tines to crimp and make a clean seal. Trim ragged edges for a neat look. Clean edges bake more evenly.
Icing tips
Make the icing while the tarts cool. It should be smooth and pourable. If it’s too thick, add a pinch more milk. If it’s too thin, add a touch more powdered sugar. Let icing set at room temperature for about 10 minutes; it firms enough to stack carefully.
Shelf Life & Storage
Store cooled pop tarts in an airtight container at room temperature for up to 2 days. If you want them to last longer, keep them in the refrigerator for up to 5 days; bring to room temperature or warm briefly before serving for best texture.
For longer storage, freeze un-iced pop tarts in a single layer on a tray, then transfer to a freezer bag for up to 1 month. Thaw overnight in the fridge and warm in a 300°F oven for 5–8 minutes before icing.
Ask & Learn
Q: Can I use fresh blueberries instead of preserves?
A: You can, but fresh berries will need sugar and cooking down to make a thick jam-like filling. The recipe’s cornstarch helps, but preserves provide consistent thickness and sweetness. If you insist on fresh, simmer berries with a little sugar until thickened, then cool before filling.
Q: My pop tarts puff up too much — why?
A: That happens when the vents aren’t large enough or the filling creates steam pockets. Prick one or two small vent holes in the top of each pastry to let steam escape. Also ensure a good seal around the edges to prevent internal pockets from forming.
The Takeaway
Blueberry Pop Tarts are an easy, quick treat that feels special but asks for very little time or technique. Use good-quality preserves, don’t overfill, and follow the egg-wash and venting steps for reliable results. Make a double batch if you’re feeding a crowd — they disappear fast.
Make them once and you’ll know the rhythm: trim, fill, seal, bake, ice. Then sit down with a hot drink and enjoy a simple, homemade bite of comfort.
Blueberry Pop Tarts
Ingredients
Ingredients
- 29- inch refrigerated pie crusts425 grams 1 package
- 1/2 cupblueberry preserves170 grams
- 2 teaspoonscornstarch6 grams
- 1 large egg50 grams
- 1/2 cuppowdered sugar57 grams
- 1/4 cupblueberry preserves85 grams
- 1 tablespoonmilk14 grams
- 1/2 teaspoonpure vanilla extract2 grams
Instructions
Instructions
- Preheat the oven to 375°F. Line a baking sheet with parchment paper and set aside.
- On a lightly floured countertop, unroll one refrigerated pie crust. Gently roll it slightly to even the thickness. Trim off the rounded edges to form one large rectangle. Cut that rectangle into 6 equal smaller rectangles. Repeat with the second pie crust so you have 12 rectangles total.
- In a small bowl, stir together ½ cup (170 g) blueberry preserves and 2 teaspoons (6 g) cornstarch until smooth.
- Whisk the 1 large egg in a small bowl until blended.
- Working with six rectangles at a time, place a bottom rectangle on your work surface. Spoon an equal amount of the blueberry-cornstarch mixture into the center of the rectangle (leave a border around the edges to avoid overflow). Brush the egg wash around the border of the bottom rectangle, then place a second rectangle on top.
- Press the edges together to seal, then crimp the sealed edges with the tines of a fork. Trim any excess dough for clean edges. Transfer the assembled pop tart to the prepared baking sheet. Repeat steps 5–6 with the remaining rectangles and filling.
- Brush the tops of all assembled pop tarts with more of the whisked egg. Use a toothpick or fork to gently prick one or two small vent holes in the top of each pastry to prevent blowouts.
- Bake on the middle rack for 10–12 minutes, or until the tops are light golden. Remove from the oven and let the pop tarts cool on the baking sheet until they are cool to the touch.
- While the pop tarts bake and cool, make the icing: in a small bowl, stir together ½ cup (57 g) powdered sugar, ¼ cup (85 g) blueberry preserves, 1 tablespoon (14 g) milk, and ½ teaspoon (2 g) pure vanilla extract until smooth.
- Drizzle or spread the icing over the cooled pop tarts. Let the icing set for about 10 minutes before serving.
Equipment
- Kitchen Scale(optional)
- Baking Sheet
- Rolling Pin
Notes
Bake the pop tarts on a lined baking sheet so that they don’t stick, and if some of the filling does escape it will be easy to clean up.
Allow them to cool before adding the icing, if they are still hot, the icing will run off.
For a quick breakfast, freeze a big batch of pop tarts and pop one or two in a 350°F oven for 10 minutes.
